AM_Phlogopite_38 Formula: (K.93 Na.07) (Mg1.5 Fe1.11 Ti.39) (Al1.2 Si2.8) O12 Name: Phlogopite Unit cell: 5.3332 9.2376 20.069 90.0 95.125 90.0 , V=984.77 Space group: C12/C1 (15)

Laurora A , Brigatti M F , Mottana A , Malferrari D , Caprilli E , American Mineralogist , 92 (2007) p.468-480, Crystal chemistry of trioctahedral micas in alkaline and subalkaline volcanic, rocks: A case study from Mt. Sassetto (Tolfa district, Latium, central Italy), Locality: Mt. Sassetto, Tolfa district, Latium, Italy, Sample: MS1